{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["engineering feature", "material", "concept or principle", "enabling technology", "process parameter"], "input": "3D characterization reveals complex grain morphologies and large orientation gradients , in excess of 10∘ , that are not easily interpreted from 2D crosB-sections alone ."}
{"engineering feature": [], "material": [], "concept or principle": ["3D", "grain", "orientation", "2D"], "enabling technology": [], "process parameter": []}